Ouji ga Watashi wo Akiramenai!

Prince Hatsuyuki Ichimonji possesses an IQ of 500 and comes from a royal lineage, along with numerous oil companies and titles. Despite having immense wealth and status, his life is disrupted by Koume Yoshida, a girl from a common background who shows no clear interest in him. The prince must now rely on his determination to win her over.